This small snippet will allow you to load CSV or other delimited Data from a File into a named array. The heads in the CSV file will be used for the names of the array keys.

This Regular Expression will verify if a date is a valid YYYY-MM-DD with an optional HH:MM:SS. It checks to see if the day is a valid day in the given month with the consideration of leap years.

Give this function a phrase and it will return all of the permutations of the words that make up the phrase.

Recursively reverses a multi-depth array.

Recursively removes array keys with null values.

Function similar to in_array() but it recursively searches a multi-depth array.

This function will download the contents of any URL and return it as a string that you can save to a file or database.

It will use curl if it is installed. Otherwise it will use fopen/fread.